Nowadays, PDF reader software has become an effective tool for document exploration and storage. As a savvy user, do you know which PDF reader software to use? What is the lightest PDF reader software available? Let's explore the top free and best PDF file reader applications with Mytour!
Adobe Reader
- Publisher Information: Adobe Systems
- Compatibility: Windows, macOS.
- Software Size: 72.3 MB
- Recommended Configuration: Suitable for Windows: 7/8/10, RAM 2GB; For MacOS 10.9 and above, RAM 2GB.
Adobe Reader is the first PDF reader software you should definitely use. It is considered an efficient tool for opening, printing, and annotating PDF documents. With Adobe Reader, users can also work on various online services within this platform.
Adobe Reader is widely used as PDF reader softwareWith the free PDF reader software Adobe Reader, users can open and interact with PDF content. It is seamlessly connected to Adobe Document Cloud services, allowing you to work with all PDF files on any device, anywhere. Besides its free features, users can unlock premium features with Adobe Reader, including subscriptions to Adobe Acrobat PDF Pack, Adobe Acrobat Export PDF, or Adobe Sign.
Skim - The Latest PDF Reader Software
- Publisher Information: Skim
- Compatibility: Mac OS X
- Software Size: 4.4 MB
- Recommended Configuration: Suitable for devices running 10.6/10.7/10.8/10.9/10.10/10.11, macOS 10.12
If you're using Mac OS X, then the free PDF reader software Skim is a must-try. The application offers features that allow users to interact as if they were working on paper. Simple actions like underlining, highlighting, and adding sticky notes are supported. Additionally, Skim enables quick and easy presentation creation. This is considered an advanced feature that sets this software apart. Especially useful for those using Mac OS X.

In addition to the mentioned features, Skim stands out as software with:
- Full-screen PDF reading with various shortcuts and a reading bar
- Easy search, access logging, and text annotation after reading
- Rapid and simple annotations such as highlighting, underlining, shapes, sticky notes, etc.
- Separate panels for listing and note-taking, easy search, and hot-linking
Nitro PDF Reader - PDF Reading Software
- Publisher Information: Nitro Software
- Compatibility: Windows
- Software Size: 39.1 MB
- Recommended Configuration: Suitable for Windows 7/8/10, RAM 2GB.
Nitro PDF Reader is renowned as a free PDF reading software provided by Nitro PDF Software. After the trial period, users can retain this version; however, access to additional tools will be restricted.
In addition to document reading, Nitro PDF Reader supports users in creating PDF files from other documents. Furthermore, highlighting text or adding sticky notes in this application is straightforward. The software also checks whether a PDF document has an electronic signature and if it contains bookmarks and comments.
Nitro PDF Reader is known for providing free featuresNitro PDF Reader currently offers a free trial version for 14 days. After 14 days, to maintain access, you need to purchase the program for $157 per account. This is considered a reasonable price, well worth the investment for your experience.
Web Browsers
Apart from software and applications, users can instantly utilize web browsers to open PDF files. With Chrome, Firefox, Coc Coc, or any browser, you can read PDF files easily and quickly. The browsers have user-friendly interfaces and support Vietnamese for users.
However, when reading PDF files through a browser, users can only zoom in and out. In addition, browsers do not support editing or adding content. Therefore, depending on your needs, you may consider downloading additional PDF reading software.

MuPDF - File Reading and Conversion Tool
- Publisher Information: Artifex.
- Compatibility: Windows.
- Software Size: 14.7 MB
- Recommended Configuration: Suitable for Windows XP/Vista/7/8
MuPDF is a standard PDF reader and editor. It stands out as a resource-efficient application that requires no installation. Particularly, the software supports various formats such as PDF, XPS, OpenXPS, CBZ, EPUB, or Fiction Book 2. If you are looking for a free and advanced PDF reader, this is undoubtedly the best choice.
MuPDF is capable of both reading and editing PDFsSTDU Viewer - New PDF Reader
- Publisher Information: STDUtility
- Compatibility: Windows.
- Software Size: 2.5 MB
- Recommended Configuration: Suitable for Windows 2000/XP/2003/Vista/7/8
This is a free PDF reader for Windows 7, designed for non-commercial purposes, aiding in handling important scientific document formats. It not only facilitates viewing PDF files but also supports opening various file types in multiple languages. This expands its usability for a diverse user base, effectively supporting users.

Foxit Reader
- Publisher Name: Foxit Software
- Supported Operating Systems: Windows, macOS.
- Software Size: 51.6 MB.
- Recommended Configuration: For Windows: Versions 7/8/10, RAM 2GB; For MacOS: 10.6 and above, RAM 2GB.
Foxit Reader is the most popular lightweight PDF reader chosen by many users. This free PDF reader stands out with special features such as creating and editing PDFs for free, adding notes or signatures, setting passwords, and quickly printing PDF files. It is one of the few free PDF reader software options compatible with both Windows and MacOS.
Expert PDF
- Compatibility: Windows
- Publisher Information: Visage Software
- Software Size: 14.9 MB
- Recommended Configuration: Suitable for Windows XP/Vista/7/8
As a prominent PDF reader, Expert PDF is designed in the style of Microsoft Word. With the application, you can create tabs, list PDF files on your computer, or display PDF files in 3D. Additionally, users can edit and convert text formats to PDF using the Expert PDF software.

Cool PDF Reader - Excellent PDF Reader
- Publisher Information: PDF2EXE Software
- Compatibility: Windows
- Software Size: 3.52MB
- Recommended Configuration: Suitable for Windows 7/8/10, 2GB
Cool PDF Reader is a well-known name that most users are familiar with. Not only does Cool PDF Reader have a lightweight size, but it also has a simple and user-friendly interface. The application supports 72 different languages, catering to the majority of user needs. However, currently, Vietnamese is not integrated into the PDF reader software for Windows 7 and 10. Nevertheless, it deserves to be considered one of the best PDF file readers that cannot be overlooked.

Javelin PDF Reader
- Publisher Information: Freeware
- Compatibility: Windows, macOS.
- Software Size: 12 MB.
- Recommended Configuration: Suitable for Windows 7,8,10 and macOS 11.0 and above or MacBook devices with Apple M1 chip
Cool PDF Reader has a small sizeAs a free PDF file reader, Javelin PDF Reader allows users to view and print standard PDF files. The application also supports annotations and marking files with a simple and tidy interface. However, the application does not support additional features such as editing. Therefore, if you are looking for PDF file reader and editing software, Javelin PDF Reader may not be the optimal choice.
PDF-XChange Viewer - PDF Reader Software
- Publisher Information: Tracker Software Products
- Compatibility: Windows.
- Software Size: 17.2 MB.
- Recommended Configuration: Suitable for Windows XP/Vista/7/8/8.1/10
One of the PDF reader applications with a small size and advanced features that is highly recommended for Windows 10 is PDF-XChange Viewer. It is considered an upgraded version of Foxit Reader, known for its extremely fast speed and support for all PDF files.

PDF-XChange Viewer is one of the best PDF file reader software, notable for features such as tabbed comment reading, adding annotations to any file, marking pages or text. Especially, with PDF-XChange Viewer, you can transform large and complex PDF files into simpler ones through the Loupe and Pan tools.
PDF Reader Pro - Free File Viewer
- Publisher Information: PDF Technologies, Inc.
- Compatibility: Windows, macOS.
- Software Size: 27.09 MB.
- Recommended Configuration: Suitable for Windows Vista/7/8/8.1/10 and macOS 10 and above
This is the simplest PDF file viewer software you can use. PDF Reader Pro is designed with the most basic interface, allowing users to focus entirely on viewing and working. The free PDF file reader software PDF Reader Pro stands out with text editing features in PDF. Users can also merge and combine multiple documents or split PDF files into multiple files.
PDF-XChange Viewer comes with advanced featuresMoreover, users can insert pages from another PDF, convert PDF files to Word or any other Microsoft Office format. Alongside, tasks like editing, annotating, creating signatures, and marking pages are incredibly straightforward.
Sumatra PDF - Free PDF Reader
- Publisher Information: Krzysztof Kowalczyk
- Compatibility: Windows.
- Software Size: 8.6 MB.
- Recommended Configuration: Suitable for Windows XP/Vista/7/8
Sumatra PDF stands out with its fast file opening featureThis is acclaimed as one of the lightest PDF file reader software today. With Sumatra PDF, users can read PDFs, eBooks (ePub, Mobi), XPS, DjVu, CHM, or Comic Book (CBZ and CBR) for free on their Windows computers.
Additionally, Sumatra PDF app is favored for its lightning-fast opening of large PDF files, saving time and enhancing workflow efficiency for users. Moreover, the application provides convenient hotkeys for viewing and editing files. Particularly, the software excels in encryption using AES-256 and the ability to operate directly from a USB drive.
Slim PDF Reader
- Publisher Information: Investintech.com PDF Solutions
- Compatibility: Windows, Mac, and Linux
- Software Size: 15 MB
- Recommended Configuration: Suitable for NT/2000/XP/Vista/7/8/8.1/10
Slim PDF Reader stands out as one of the best PDF readers with advanced features. The app features a fresh interface, supports both light and dark themes, aligning with your working style. It also preserves a record of your most recently opened PDFs for quick access, saving time. Additionally, Slim PDF Reader supports form filling, interaction, and signature verification. With this app, you can perform various actions such as adding notes, comments, enhancing interactivity, and working efficiently.

PDF-XChange Editor - PDF Reader and Editor
- Publisher Information: Tracker Software
- Compatibility: Windows
- Software Size: 15 MB
- Recommended Configuration: Suitable for Windows XP/Vista/7/8
This is a free PDF viewing and editing application worth experiencing. With PDF-XChange Editor, you can add audio or signatures to your PDF files, a feature not widely available in many PDF reader applications.
However, the most outstanding and noteworthy feature that PDF-XChange Editor possesses is the optical character recognition tool. Through this, users can scan printed documents and convert them into searchable text documents.
You can add audio or signatures to PDF files using PDF-XChange EditorIn addition to its new design, this application allows users to create, edit, and highlight PDF files. Here, you can also use PDF-XChange Editor to fill in forms, add comments, underline or select and mark sections, and more.
Unlike many other lightweight PDF reader software, PDF-XChange Editor features a tracking changes functionality. It lets you view all modifications made to the file. Moreover, in the application, you can use the program to extract content or delete pages to reduce the file size. Importantly, you can add images and additional documents to that PDF.
Conclusion
There are numerous free PDF reader applications that effectively serve your work. Hopefully, the information provided by Mytour has helped you resolve the dilemma: Which is the best lightweight PDF reader software. This allows you to choose the most suitable software for you.
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